Sound vibration decoupling sound absorption board noise reduction device and extra-high voltage electric reactor with sound vibration decoupling sound absorption board noise reduction device

Abstract

The invention provides an acoustic vibration decoupling acoustic panel noise reduction device and an extra-high voltage reactor with the acoustic vibration decoupling acoustic panel noise reduction device, the acoustic vibration decoupling acoustic panel noise reduction device is mounted on the outer side of the extra-high voltage reactor, and the acoustic vibration decoupling acoustic panel noise reduction device comprises a damping supporting assembly arranged around an oil tank; the noise reduction fireproof plate is mounted on the outer side of the oil tank and connected with the damping supporting assembly; the monitoring equipment is arranged between the oil tank and the noise reduction fireproof plate and is used for monitoring the oil leakage condition and the surface temperature rise of the oil tank; the vibration of the equipment transmitted to the sound absorption and insulation plate is reduced through the damping supporting assembly, the outward transmission of the noise of the equipment is reduced through the noise reduction fireproof plate, air complementation is isolated, and the spreading of flowing fire is obstructed; the problems of high noise level of the extra-high voltage reactor and out-of-limit noise of a substation factory boundary are solved; according to the noise reduction device for the acoustic vibration decoupling acoustic panel, on the premise that original extra-high voltage reactor equipment is not disassembled and built and the position of the equipment is not moved, the noise level of the extra-high voltage reactor is effectively reduced, and the problem that the noise of the factory boundary of a transformer substation exceeds the standard is solved.

Description

Technical Field

[0001] The invention relates to the field of vibration reduction and noise reduction devices, and in particular to an acoustic vibration decoupling sound absorbing board noise reduction device and an ultra-high voltage reactor having the same. Background Art

[0002] The main noise source equipment of the UHV substation is the 1000kV UHV reactor and the main transformer. The UHV reactor is arranged close to the factory boundary, and the noise has a greater impact on the surrounding environment. Through on-site testing, it was found that the noise of the UHV reactor is basically between 70-75dB(A), and the noise frequency is mainly distributed on the 100Hz base frequency and its multiples. This type of noise has a large wavelength, slow decay, and strong penetration. The factory boundaries of UHV substations are mostly set according to Class 2 acoustic environment functional areas, and the noise limit is 60dB(A) for daytime noise and 50dB(A) for nighttime noise, which can easily cause the factory boundary noise to exceed the standard.

[0003] At present, the noise reduction measures of UHV substations mainly include sound insulation barriers and sound insulation enclosures. However, the lateral stiffness of the sound insulation barriers is relatively weak, and there are major safety hazards such as collapse and falling in the event of natural disasters such as strong (typhoon) winds, low temperatures, and earthquakes; the installation of sound insulation enclosures requires high resistance to mobile reset, returning to the factory to raise the bushing riser 14, building a new foundation for the sound insulation enclosure, and even increasing the phase spacing, dismantling and rebuilding the existing firewalls and oil pools, and there are also problems such as inconvenience in operation and maintenance, reduced insulation strength, and impact on fire fighting.

[0004] Therefore, it is urgent to carry out research on new noise reduction technologies for UHV reactors and develop new noise reduction devices. Summary of the invention

[0005] In order to solve the problem of the shortcomings of the existing noise reduction technology of sound insulation barriers and sound insulation covers, the present invention proposes a device installed outside the oil tank of the UHV reactor, the device comprising:

[0006] A shock-absorbing support assembly connected to the oil tank;

[0007] A noise reduction and fireproof board, forming a sealed shell, installed on the outside of the UHV reactor and connected to the shock absorbing support assembly;

[0008] The monitoring equipment is arranged between the oil tank and the noise reduction and fireproof board, and is used for monitoring the oil leakage and surface temperature rise of the oil tank.

[0009] Preferably, the noise reduction and fireproof board comprises:

[0010] A sound absorbing and insulating board wrapped around the outside of the oil tank;

[0011] The fireproof partition plate is located at the upper and lower edges of the oil tank, and the fireproof partition plate is located between the sound-absorbing and sound-insulating plate and the UHV reactor, and the fireproof partition plate is connected to the sound-absorbing and sound-insulating plate through fireproof glue.

[0012] Preferably, the sound-absorbing and insulating board is composited by multiple layers of board materials, including: a perforated board, fiber wool, a metal board, and a fireproof board.

[0013] Preferably, the perforated plate includes: a perforated steel plate or a perforated aluminum plate.

[0014] Preferably, the fiber wool is made of a combination of one or more materials, and the materials include: glass wool, rock wool, aluminum silicate wool, and basalt wool.

[0015] Preferably, the metal plate is made of a steel plate or an aluminum plate.

[0016] Preferably, the fireproof board is made of materials including calcium silicate board, glass magnesium board or cement board.

[0017] Preferably, the gap between the oil tank and the fireproof partition plate is sealed with fireproof glue.

[0018] Preferably, the shock-absorbing support assembly comprises: a support keel and a shock-absorbing bracket connected to the bottom of the support keel;

[0019] The supporting keel is located outside the oil tank and is fixed to the noise reduction and fireproof board through a lock.

[0020] Preferably, the supporting keel comprises:

[0021] a crossbeam, located at the top end of the fuel tank;

[0022] A bottom beam, located at the bottom end of the oil tank;

[0023] A plurality of columns are provided at intervals on the side of the oil tank;

[0024] The upper and lower ends of the column are respectively connected to the cross beam and the bottom beam to form a rectangular parallelepiped frame.

[0025] Preferably, the shock-absorbing bracket includes: a vibration isolator connected to the bottom beam and an anchor plate connecting the vibration isolator to a cement base.

[0026] Preferably, the monitoring equipment includes: oil leakage monitoring cables located at the upper and lower sections and flange of the oil tank, and temperature-sensitive optical fibers located on the four walls and top surface of the oil tank.

[0027] Preferably, the oil leakage monitoring cable and the temperature-sensitive optical fiber are both fixed to the oil tank using stainless steel magnetic buckles.

[0028] Preferably, an inspection door and an observation window are provided on the noise reduction and fireproof panel.

[0029] Preferably, the inspection door and the noise reduction and fireproof panel are made of the same material.

[0030] Preferably, the device further comprises an equipment modification component arranged on the noise reduction and fireproof board to realize the function of transferring the surface functional objects of the oil tank to the outside of the noise reduction and fireproof board.

[0031] Preferably, the equipment modification assembly includes: a pressure relief valve extension tube, an oil chromatography valve extension tube, a ladder and a nameplate.

[0032] Based on the same inventive concept, the present invention also provides an acoustic vibration decoupling sound absorbing panel noise reduction UHV reactor, the UHV reactor comprising an acoustic vibration decoupling sound absorbing panel noise reduction device as described in any one of the above items.

[0033] Compared with the prior art, the present invention has the following beneficial effects:

[0034] The present invention provides an acoustic-vibration decoupling sound-absorbing board noise reduction device and an ultra-high voltage reactor, which are installed on the outside of an oil tank of the ultra-high voltage reactor. The device comprises: a shock-absorbing support assembly connected to the oil tank; a noise-reducing fireproof board forming a sealed shell installed on the outside of the ultra-high voltage reactor and connected to the above-mentioned shock-absorbing support assembly; and a monitoring device arranged between the oil tank and the noise-reducing fireproof board for monitoring oil leakage and surface temperature rise of the oil tank. The noise reduction and fireproof board is located outside the UHV reactor tank. It is made of acoustic impedance matching principle and multi-layer board composite technology. Each board is connected to the shock-absorbing support assembly by a lock, thereby achieving effective noise reduction and rapid disassembly and assembly of the sound-absorbing and insulating board; the noise reduction and fireproof board can effectively block the flowing fire caused by the explosion of the high-voltage bushing of the UHV reactor from overflowing along the side wall of the tank, and at the same time can also block the air circulation in the internal space of the sound-absorbing and insulating board, which plays a role in reducing the overflow of flames and weakening the intensity of flames; the shock-absorbing support assembly can effectively block the transmission of equipment vibration to the sound-absorbing and insulating board, avoiding the vibration of the sound-absorbing and insulating board and reducing the noise reduction effect; the setting of the monitoring equipment can realize the sound insulation being absorbed Intelligent monitoring of flange oil leakage and tank surface temperature rise of UHV reactors shielded by panels eliminates the impact of acoustic-vibration decoupling sound-absorbing panels on equipment operation and maintenance, improves the convenience of operation inspections, improves the safety of operation and maintenance, and reduces the company's operation and maintenance costs; the acoustic-vibration decoupling sound-absorbing panel noise reduction device effectively reduces the noise level of UHV reactors and solves the problem of excessive noise at the substation boundary without dismantling the original UHV reactor equipment foundation / oil pool / firewall, moving the equipment position, changing the internal structure of the equipment, affecting the heat dissipation of the equipment, affecting the equipment operation and inspection requirements, and affecting the operation of the equipment online monitoring system. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 A schematic structural diagram of a noise reduction device for an acoustic vibration decoupling sound absorbing panel provided in an embodiment of the present invention;

[0036] Figure 2 A schematic diagram of the structure of an ultra-high voltage reactor provided in an embodiment of the present invention;

[0037] Figure 3 A schematic structural diagram of a connection between an acoustic vibration decoupling sound absorbing panel noise reduction device and an ultra-high voltage reactor provided in an embodiment of the present invention;

[0038] Among them: 1-sound-absorbing and insulating board; 2-pressure relief valve extension pipe; 3-pressure relief valve downpipe; 4-radiator oil pipe; 5-lock; 6-ladder; 7-inspection door; 8-crossbeam; 9-column; 10-auxiliary beam; 11-bottom beam; 12-oil tank; 13-nameplate; 14-casing riser; 15-oil leakage monitoring cable; 16-oil sample valve; 17-accidental oil drain valve; 18-core / clamp grounding downpipe copper bar; 19-temperature sensing optical fiber; 20-fireproof partition. DETAILED DESCRIPTION

[0039] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0040] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0041] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0042] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0043] Embodiment 1:

[0044] A sound vibration decoupling sound absorbing board noise reduction device is installed outside the oil tank 12 of the UHV reactor, such as Figure 1 As shown, the device comprises:

[0045] A shock-absorbing support assembly is arranged around the oil tank 12;

[0046] A noise reduction and fireproof board, forming a sealed housing, is installed on the outside of the oil tank 12 and is connected to the above-mentioned shock-absorbing support assembly;

[0047] The monitoring equipment is arranged between the oil tank 12 and the noise reduction and fireproof board, and is used to monitor the oil leakage and surface temperature rise of the oil tank 12.

[0048] The noise reduction and fireproof board is located outside the oil tank 12 of the UHV reactor and is prepared by using the acoustic impedance matching principle and multi-layer board composite technology. Each board is connected to the shock-absorbing support assembly by a lock buckle 5, thereby achieving effective noise reduction and rapid disassembly and assembly of the sound-absorbing and insulating board;

[0049] The noise reduction and fireproof board can also effectively prevent the flowing fire caused by the explosion of the high-voltage bushing of the UHV reactor from overflowing along the side wall of the oil tank 12 of the UHV reactor, and can also block the air circulation in the internal space of the sound absorbing board 1, thereby reducing the flame overflow and weakening the flame intensity;

[0050] The shock-absorbing support assembly is used to support the noise reduction fireproof board so that the noise reduction fireproof board is located outside the oil tank 12 of the UHV reactor and has a certain space with the oil tank 12 of the UHV reactor. The shock-absorbing support assembly can effectively block the transmission of equipment vibration to the sound-absorbing and insulating board, and avoid the vibration of the sound-absorbing and insulating board to reduce the noise reduction effect;

[0051] The monitoring device is used for intelligent monitoring of oil leakage from the flange of the oil tank 12 of the UHV reactor shielded by the sound absorbing and insulating board 1 and the temperature rise on the surface of the oil tank 12, eliminating the influence of the acoustic vibration decoupling sound absorbing board on the operation and maintenance of the equipment, improving the convenience of operation inspection, improving the safety of operation and maintenance, and reducing the company's operation and maintenance costs;

[0052] The acoustic-vibration decoupling sound-absorbing board noise reduction device can effectively reduce the noise level of the UHV reactor and solve the problem of excessive noise at the substation boundary without dismantling the original UHV reactor equipment foundation / oil pool / firewall, moving the equipment, changing the internal structure of the equipment, affecting the heat dissipation of the equipment, affecting the equipment operation and inspection requirements, and affecting the operation of the equipment online monitoring system.

[0053] Preferably, the noise reduction and fireproof board comprises:

[0054] A sound absorbing and insulating plate 1, wrapped around the outside of the oil tank 12;

[0055] The fireproof partition plate 20 is located at the upper and lower edges of the oil tank 12, and the fireproof partition plate 20 is located between the sound absorbing and insulating plate 1 and the UHV reactor. The fireproof partition plate 20 is connected to the sound absorbing and insulating plate 1 through fireproof glue.

[0056] The sound absorbing and insulating plate 1 is used to reduce the outward propagation of equipment noise;

[0057] The fireproof partition 20 is used to isolate the air complement and block the spread of flowing fire;

[0058] The sound absorbing and insulating board 1 is located outside the oil tank 12, inside the radiator and below the sleeve lifting seat 14, and the sound absorbing and insulating board 1 is fixed to the shock absorbing support assembly by means of a lock buckle 5; and the sound absorbing and insulating board 1 has a reserved hole at the interference position with the radiator oil pipe 4, thereby achieving effective noise reduction and quick disassembly and assembly of the sound absorbing and insulating board 1.

[0059] The fireproof partition plate 20 is located at the edge of the upper and lower sections of the oil tank 12, and the gaps between the oil tank 12 and the fireproof partition plate 20, and between the sound-absorbing and insulating board 1 and the fireproof partition plate 20 are sealed by fireproof glue.

[0060] The fireproof partition plate 20 can effectively prevent the flowing fire caused by the explosion of the high-voltage bushing of the ultra-high voltage reactor from overflowing along the side wall of the oil tank 12, and can also block the air circulation in the internal space of the sound-absorbing and insulating plate 1, thereby reducing the flame overflow and weakening the flame intensity.

[0061] Preferably, the sound-absorbing and insulating board 1 is composited by multiple layers of board materials, including: a perforated board, fiber wool, a metal board, and a fireproof board.

[0062] The perforated plate includes: a perforated steel plate or a perforated aluminum plate.

[0063] Preferably, the fiber wool is made of a combination of one or more materials, and the materials include: glass wool, rock wool, aluminum silicate wool, and basalt wool.

[0064] Preferably, the metal plate is made of a steel plate or an aluminum plate.

[0065] Preferably, the fireproof board is made of materials including calcium silicate board, glass magnesium board or cement board.

[0066] The combustion performance of each layer of the sound-absorbing and insulating board 1 is graded A, and the board is prepared by using the acoustic impedance matching principle and multi-layer board composite technology.

[0067] Among them, the perforated plate is made of perforated steel plate, perforated aluminum plate, etc.; the fiber wool is made of one or more combinations of glass wool, rock wool, aluminum silicate wool, basalt wool, etc.; the metal plate is made of steel plate, aluminum plate, etc.; the fireproof board is made of calcium silicate board, glass magnesium board, cement board, etc.

[0068] Preferably, the fireproof partition plate 20 and the fireproof plate are made of the same material.

[0069] Preferably, the gap between the oil tank 12 and the fireproof partition plate 20 is sealed with fireproof glue.

[0070] It can effectively block the flowing fire caused by the explosion of the high-voltage bushing of the UHV reactor from overflowing along the side wall of the oil tank 12, and at the same time, it can also block the air circulation in the internal space of the sound-absorbing and insulating board 1, thereby reducing the flame overflow and weakening the flame intensity.

[0071] Preferably, the shock-absorbing support assembly includes: a support keel located outside the oil tank 12 and fixing the noise reduction and fireproof board with a lock 5, and a shock-absorbing bracket connected to the bottom of the support keel.

[0072] The supporting keel serves to support the sound absorbing and insulating board 1 and the fireproof partition board 20;

[0073] The shock-absorbing bracket plays a role in reducing the transmission of equipment vibration to the sound-absorbing and insulating plate 1 .

[0074] Preferably, the supporting keel comprises:

[0075] A crossbeam 8, located at the top of the oil tank 12;

[0076] A bottom beam 11 is located at the bottom end of the oil tank 12;

[0077] A plurality of columns 9 are provided at intervals on the side of the oil tank 12;

[0078] The upper and lower ends of the upright column 9 are respectively connected to the cross beam 8 and the bottom beam 11 to form a rectangular parallelepiped frame.

[0079] The bottom beam 11, the column 9, the cross beam 8, the auxiliary beam 10 and the bracket are made of one of channel steel, square steel and I-beam. The back sides of the even-numbered columns 9, the cross beam 8 and the auxiliary beam 10 are provided with steel plates, and the steel plates are used to support the sound-absorbing and insulating panels 1; preferably, the bottom beam 11 is a channel steel, and the columns 9, the cross beam 8 and the bracket are square steel; the bottom beam 11, the columns 9, the cross beam 8, the auxiliary beam 10 and the bracket are connected by galvanized bolts and anti-loosening nuts.

[0080] Preferably, the shock-absorbing bracket includes: a vibration isolator connected to the bottom beam 11 and an anchor plate connecting the vibration isolator to a cement base.

[0081] The shock-absorbing bracket is composed of a vibration isolator, a foundation plate, etc.; the vibration isolator of the shock-absorbing bracket is a rubber vibration isolator, which is connected to the cement base by a foundation plate and galvanized bolts; the shock-absorbing bracket is located on the lower side of the bottom beam 11 and is connected to the bottom beam 11 by galvanized bolts.

[0082] like Figure 2 As shown, the monitoring equipment includes: oil leakage monitoring cables 15 located at the upper and lower sections and flanges of the oil tank 12 , and temperature sensing optical fibers 19 located on the four walls and top surface of the oil tank 12 .

[0083] Preferably, the oil leakage monitoring cable 15 and the temperature sensing optical fiber 19 are both fixed to the oil tank 12 by stainless steel magnetic buckles.

[0084] The oil leakage monitoring cable 15 is located at the flanges of the upper and lower sections of the oil tank 12 and other locations where oil leakage is likely to occur, and is fixed by means of stainless steel magnetic buckles.

[0085] The temperature sensing optical fiber 19 is located on the four walls and the top surface of the oil tank 12 and is fixed by stainless steel magnetic buckles.

[0086] The setting of the monitoring equipment can realize the intelligent monitoring of the oil leakage of the flange shielded by the sound-absorbing and insulating board 1 and the temperature rise of the oil tank surface, eliminate the influence of the sound-vibration decoupling sound-absorbing board on the operation and maintenance of the equipment, improve the convenience of operation inspection, improve the safety of operation and maintenance, and reduce the company's operation and maintenance costs.

[0087] Preferably, an inspection door 7 and an observation window are provided on the noise reduction and fireproof panel.

[0088] The inspection door 7 is provided corresponding to the oil sample valve 16, the emergency oil drain valve 17, and the core / clamp grounding down conductor copper bar 18 on the UHV reactor.

[0089] The observation window is located at the temperature control meter, the oil chromatography valve and other positions, and is fixed by hinges.

[0090] The inspection door 7 and the observation window facilitate equipment operation and maintenance.

[0091] Preferably, the inspection door 7 and the noise reduction and fireproof panel are made of the same material.

[0092] The observation window is made of single-layer, double-layer or multi-layer glass;

[0093] The provision of the inspection door 7 and the observation window eliminates the influence of the acoustic-vibration decoupling sound-absorbing panel on equipment inspection, operation and maintenance, and does not reduce the noise reduction effect of the noise reduction device.

[0094] like Figure 3 As shown, the surface protrusions of the oil tank 12 penetrate the noise reduction and fireproof panels to form an equipment modification component.

[0095] The equipment modification component serves to eliminate the interference between the acoustic vibration decoupling sound absorbing panel noise reduction device and the UHV reactor.

[0096] Preferably, the equipment modification assembly includes: a pressure relief valve extension tube 2 , an oil chromatography valve extension tube, a ladder 6 and a nameplate 13 .

[0097] Preferably, the pressure relief valve extension pipe 2 is a down-lead pipe extending horizontally to the outside of the noise reduction and fireproof board.

[0098] Preferably, the oil chromatography valve extension pipe is an oil extraction pipe extending in a horizontal direction to the outside of the noise reduction and fireproof board.

[0099] The equipment modification component is to extend the pressure relief valve downpipe in the horizontal direction to the outside of the sound absorbing and insulating board 1 to form a pressure relief valve extension pipe 2, and extend the oil chromatogram oil extraction pipe in the horizontal direction to the outside of the sound absorbing and insulating board 1 to form an oil chromatogram valve extension pipe, fix the original temperature controller to the surface of the sound absorbing and insulating board 1 through the temperature controller bracket, and move the ladder 6 and the nameplate 13 outward to the surface of the sound absorbing and insulating board 1, thereby eliminating the interference between the acoustic vibration decoupling sound absorbing board noise reduction device and the ultra-high voltage reactor.

[0100] Embodiment 2:

[0101] Based on the same inventive concept, the present invention provides an acoustic vibration decoupling sound absorbing board noise reduction ultra-high voltage reactor including an acoustic vibration decoupling sound absorbing board noise reduction device as described in any one of the above items.

[0102] The noise reduction effect of the acoustic vibration decoupling sound absorbing panel noise reduction device can reach more than 15dB(A).

[0103] The acoustic-vibration decoupling sound-absorbing panel noise reduction device comprises: a sound-absorbing and insulating panel 1, a fireproof partition panel 20, a supporting keel, a shock-absorbing bracket, an inspection door 7, an observation window, a monitoring system, an equipment modification component, etc.

[0104] The main structure of the noise reduction device is composed of a plurality of detachable sound-absorbing and insulating panels 1. The sound-absorbing and insulating panels 1 are based on a Class A fireproof material system and are prepared by using the acoustic impedance matching principle and multi-layer panel composite technology. Each panel is connected to the supporting keel by a lock buckle 5, so that the sound-absorbing and insulating panels 1 can achieve efficient noise reduction and rapid disassembly and assembly.

[0105] At the same time, the noise reduction device also cooperates with the operation and inspection needs. By reserving plate holes or installing maintenance doors 7 or observation windows, or partially modifying the components at positions where there is interference with the pipelines and components on the surface of the oil tank 12, the noise reduction device is effectively matched with the equipment structure. By arranging monitoring cables on the surface of the oil tank and connecting them to the monitoring system, online monitoring of equipment oil leakage and temperature rise is achieved.

[0106] Embodiment 3:

[0107] like Figure 1-Figure 3 A specific implementation of the acoustic-vibration decoupling sound-absorbing panel noise reduction device shown includes: a sound-absorbing and insulating panel 1, a fireproof partition panel 20, a supporting keel, a shock-absorbing bracket, an inspection door 7, an observation window, a monitoring system, an equipment modification component, etc.

[0108] The sound-absorbing and insulating board 1 is composed of a composite of multiple layers of plates, installed on the outside of the oil tank 12, the inside of the radiator, and the lower side of the sleeve riser 14. The sound-absorbing and insulating board 1 is fixed to the column 9 and the crossbeam 8 by the lock buckle 5, and holes are reserved at the interference position with the radiator oil pipe 4, etc. Specifically, the sound-absorbing and insulating board 1 includes a perforated steel plate, glass wool, steel plate, calcium silicate plate, and steel plate, with a thickness of 80 mm, and the weighted sound insulation reaches 41 dB;

[0109] The fireproof partition plate 20 is installed at the edge of the upper and lower oil tanks 12 of the UHV reactor. The gaps between the oil tank 2 and the fireproof partition plate 20, and between the sound-absorbing and insulating board 1 and the fireproof partition plate 20 are sealed by fireproof glue. Specifically, the fireproof partition plate 20 is a calcium silicate board; the supporting keel is composed of a bottom beam 11, a column 9, a cross beam 8, a bracket, etc., and galvanized bolts and anti-loosening nuts are used to connect them to each other;

[0110] The shock-absorbing bracket is composed of a foundation plate, a vibration isolator, etc., and is located at the lower side of the bottom beam 11. The foundation plate is connected to the cement base, and the galvanized bolts are used to connect the bottom beam 11. Specifically, the vibration isolator is a rubber vibration isolator; the inspection door 7 is installed on the outside of the oil sample valve 16, the emergency oil drain valve 17, the core / clamp grounding lead-down copper bar 18, etc. Specifically, the material of the inspection door 7 is the same as that of the sound-absorbing and insulating board 1;

[0111] The oil leakage monitoring cable 15 is installed on the flanges of the upper and lower oil tanks and other parts prone to oil leakage. The temperature-sensitive optical fiber 19 is installed on the four walls and top surface of the oil tank and fixed with stainless steel magnetic buckles. The equipment modification components are composed of the pressure relief valve extension pipe 2, the oil chromatogram valve extension pipe, the ladder 6, the nameplate 13 and other protrusions on the surface of the oil tank that interfere with the sound-absorbing and insulating board 1. The pressure relief valve extension pipe 2 is to extend the downpipe horizontally to the outside of the sound-absorbing and insulating board 1, the oil chromatogram valve extension pipe is to extend the oil extraction pipe horizontally to the outside of the sound-absorbing and insulating board 1, the original temperature controller is fixed to the surface of the sound-absorbing and insulating board 1 through the temperature controller bracket, the ladder 6 is to fix the original ladder to the outside of the sound-absorbing and insulating board 1, and the nameplate 13 is to fix the original nameplate to the surface of the sound-absorbing and insulating board 1.

[0112] As an alternative embodiment, the composition and thickness of the sound-absorbing and insulating board 1 can be adjusted according to the noise level and installation space of the UHV reactor. For example, the sound-absorbing and insulating board is composed of a perforated aluminum plate, basalt wool, aluminum plate, glass magnesium plate, and aluminum plate, with a thickness of 50 mm, and the weighted sound insulation reaches 35 dB. If the sound-absorbing and insulating board is composed of a perforated steel plate, aluminum silicate wool, steel plate, cement plate, and steel plate, with a thickness of 100 mm, the weighted sound insulation reaches 45 dB.

[0113] As an alternative implementation, the number of reserved holes can be adjusted according to the interference position between the UHV reactor radiator oil pipe 4, the bushing riser 14, the bracket, etc. and the sound absorbing and insulating board 1, and can also be 8, 10 or even more.

[0114] As an alternative embodiment, the material of the fireproof partition board 20 can also be a glass magnesium board or a cement board.

[0115] As an alternative embodiment, the installation position of the inspection door 7 can be adjusted according to the specific conditions of the functional components on the surface of the oil tank 12, and can also be the outside of the down conductor copper bar magnetic column, the outside of the CT junction box or even more.

[0116] As an alternative embodiment, the equipment modification components can be adjusted according to the specific situation of the interference between the protrusions on the surface of the oil tank 12 and the sound-absorbing and insulating board 1. The core / clamp grounding lead-down copper bar 18 can also be moved outward, the pressure release valve can be moved upward, the oil sample valve 16 can be led outward, and even more.

[0117] The above are merely embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention are included in the scope of the claims of the present invention to be approved.

Claims

1. A sound vibration decoupling sound absorbing board noise reduction device, installed outside the oil tank (12) of a UHV reactor, characterized in that: The device comprises: A shock-absorbing support assembly connected to the oil tank (12); A noise reduction and fireproof board, forming a sealed shell, installed on the outside of the UHV reactor and connected to the shock absorbing support assembly; The monitoring device is arranged between the oil tank (12) and the noise reduction and fireproof board, and is used to monitor the oil leakage and surface temperature rise of the oil tank (12).

2. The acoustic vibration decoupling sound absorbing board noise reduction device according to claim 1, characterized in that: The noise reduction and fireproofing board comprises: A sound absorbing and insulating plate (1) wrapped around the outside of the oil tank (12); The fireproof partition plate (20) is located at the upper and lower edges of the oil tank (12), and the fireproof partition plate (20) is located between the sound absorbing and insulating plate (1) and the ultra-high voltage reactor, and the fireproof partition plate (20) is connected to the sound absorbing and insulating plate (1) by means of fireproof glue.

3. The acoustic vibration decoupling sound absorbing board noise reduction device according to claim 2, characterized in that: The sound absorbing and insulating board (1) is composited from multiple layers of board materials, including: a perforated board, fiber wool, a metal board, and a fireproof board.

4. The acoustic vibration decoupling sound absorbing board noise reduction device according to claim 3, characterized in that: The perforated plate includes: a perforated steel plate or a perforated aluminum plate.

5. The acoustic vibration decoupling sound absorbing board noise reduction device according to claim 3, characterized in that: The fiber wool is made of one or more materials, including glass wool, rock wool, aluminum silicate wool, and basalt wool.

6. The acoustic vibration decoupling sound absorbing board noise reduction device according to claim 3, characterized in that: The metal plate is made of a steel plate or an aluminum plate.

7. The acoustic vibration decoupling sound absorbing board noise reduction device according to claim 3, characterized in that: The fireproof board is made of materials including calcium silicate board, glass magnesium board or cement board.

8. The acoustic vibration decoupling sound absorbing board noise reduction device according to claim 2, characterized in that: The gap between the oil tank (12) and the fireproof partition plate (20) is sealed with fireproof glue.

9. The acoustic vibration decoupling sound absorbing board noise reduction device according to claim 1, characterized in that: The shock-absorbing support assembly includes: a support keel and a shock-absorbing bracket connected to the bottom of the support keel; The supporting keel is located outside the oil tank (12) and is fixed to the noise reduction and fireproof board via a lock (5).

10. The acoustic vibration decoupling sound absorbing board noise reduction device according to claim 9, characterized in that: The supporting keel comprises: A crossbeam (8) located at the top of the oil tank (12); A bottom beam (11) located at the bottom end of the oil tank (12); A plurality of columns (9) are located on the side of the oil tank (12) and are arranged at intervals; The upper and lower ends of the upright column (9) are respectively connected to the cross beam (8) and the bottom beam (11) to form a rectangular parallelepiped frame.

11. The acoustic vibration decoupling sound absorbing board noise reduction device according to claim 10, characterized in that: The shock-absorbing bracket comprises: a vibration isolator connected to the bottom beam (11) and a foundation plate connecting the vibration isolator to a cement base.

12. The acoustic vibration decoupling sound absorbing board noise reduction device according to claim 1, characterized in that: The monitoring equipment comprises: oil leakage monitoring cables (15) located at the upper and lower sections and flanges of the oil tank (12), and temperature-sensitive optical fibers (19) located at the four walls and top surface of the oil tank (12).

13. The acoustic vibration decoupling sound absorbing board noise reduction device according to claim 12, characterized in that: The oil leakage monitoring cable (15) and the temperature sensing optical fiber (19) are both fixed to the oil tank (12) by means of stainless steel magnetic buckles.

14. The acoustic vibration decoupling sound absorbing board noise reduction device according to claim 1, characterized in that: The noise reduction and fireproof board is provided with an inspection door (7) and an observation window.

15. The acoustic vibration decoupling sound absorbing board noise reduction device according to claim 14, characterized in that: The inspection door (7) and the noise reduction and fireproof board are made of the same material.

16. The acoustic vibration decoupling sound absorbing board noise reduction device according to claim 1, characterized in that: The device also includes an equipment modification component arranged on the noise reduction and fireproof board to realize the function of transferring the surface functional objects of the oil tank (12) to the outside of the noise reduction and fireproof board.

17. The acoustic vibration decoupling sound absorbing board noise reduction device according to claim 16, characterized in that: The equipment modification assembly comprises: a pressure relief valve extension tube (2), an oil chromatography valve extension tube, a ladder (6) and a nameplate (13).

18. An acoustic vibration decoupling sound absorbing board noise reduction ultra-high voltage reactor, characterized in that: The UHV reactor comprises an acoustic vibration decoupling sound absorbing panel noise reduction device as described in any one of claims 1 to 17.

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